Renesas UPD70F3107AGJ-UEN-A

Overview

UPD70F3107AGJ-UEN-A from Renesas Electronics is a 32-bit V850E/MA1 single-chip microcontroller featuring 512 KB on-chip Flash memory, 48 KB RAM, and integrated peripherals including UART, CAN 2.0B controller, 16-bit timer units, and 10-bit ADC. It operates at up to 32 MHz and targets real-time embedded control in industrial automation and automotive body electronics.

For engineers reviewing the UPD70F3107AGJ-UEN-A datasheet, UPD70F3107AGJ-UEN-A pinout, UPD70F3107AGJ-UEN-A application, or UPD70F3107AGJ-UEN-A equivalent, key selection criteria include its CAN interface support, Flash programming capability via on-chip bootloader, 32 MHz max CPU clock, and compliance with Standard quality grade for industrial equipment per Renesas documentation.

Technical Context

The UPD70F3107AGJ-UEN-A implements the V850E core architecture with 32-bit RISC instruction set, supporting both little-endian and big-endian data access modes. It integrates a programmable wait-state controller, bus hold function, and SRAM/EDO DRAM/SDRAM interface timing controls for flexible external memory expansion.

Its peripheral set includes two independent CAN 2.0B controllers with message objects and FIFO buffers, a 10-bit 16-channel ADC with sample-and-hold, and four 16-bit general-purpose timers with input capture/compare/PWM output capability - all accessible via dedicated peripheral I/O registers mapped in the CPU address space.

Key Specifications

Pinout & Package

The UPD70F3107AGJ-UEN-A is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad, rated for industrial temperature range (–40°C to +85°C) and compliant with RoHS Directive.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with UPD70F3107AGJ-UEN-A, R5F57016ADFP#30 offers lower active power but lacks CAN and has half the Flash; MB9BF506RPMC-G-SNE2 provides identical Flash and dual CAN but requires PCB redesign due to different pin count and layout.

Availability

UPD70F3107AGJ-UEN-A is available at Aetrix Electronics and suitable for industrial PLC I/O modules, automotive body control units, and smart energy meters requiring stable component supply and long-term lifecycle support.

Supply support for UPD70F3107AGJ-UEN-A includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics Corporation is a global semiconductor manufacturer formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power solutions.

The UPD70F3107AGJ-UEN-A belongs to the V850E/MA1 microcontroller family designed for deterministic real-time control in industrial automation and automotive body electronics where CAN communication and Flash-based firmware flexibility are essential.

FAQ

What is the maximum operating frequency of the UPD70F3107AGJ-UEN-A?

The UPD70F3107AGJ-UEN-A operates at a maximum CPU clock frequency of 32 MHz, achievable using an external crystal oscillator up to 20 MHz with internal PLL multiplication. This frequency enables real-time execution of control algorithms with sub-microsecond interrupt latency and deterministic timing for motor control and communication tasks.

Does the UPD70F3107AGJ-UEN-A support in-system programming of its Flash memory?

Yes, the UPD70F3107AGJ-UEN-A supports in-system programming of its 512 KB on-chip Flash memory via its built-in bootloader and dedicated Flash control registers. This allows firmware updates over CAN or UART without removing the device from the PCB, and includes sector-level write protection to prevent accidental corruption of critical code sections.

What is the role of the dual CAN controllers in the UPD70F3107AGJ-UEN-A?

The dual CAN 2.0B controllers in the UPD70F3107AGJ-UEN-A provide independent, hardware-accelerated CAN communication channels with 32 message objects each. They handle bit timing, arbitration, error detection, and message filtering autonomously, reducing CPU load during high-bandwidth CAN traffic in automotive and industrial network applications.

Is the UPD70F3107AGJ-UEN-A qualified for automotive applications?

The UPD70F3107AGJ-UEN-A is classified as a Standard quality grade device per Renesas documentation and is intended for industrial equipment, not automotive safety-critical systems. While it includes CAN 2.0B and operates across –40°C to +85°C, it does not carry AEC-Q100 qualification or functional safety certification required for automotive powertrain or chassis applications.

How does the UPD70F3107AGJ-UEN-A manage external memory interfacing?

The UPD70F3107AGJ-UEN-A uses a configurable external bus interface supporting 8-, 16-, and 32-bit data widths, programmable wait states, and selectable endian mode. It directly interfaces with SRAM, EDO DRAM, and SDRAM through dedicated chip select and address strobe signals, with timing parameters defined in the VSWC and bus control registers for precise cycle control.